Electronic device with coding/decoding system

Abstract

An electronic device includes an input unit, a processing unit and a coding/decoding system. The coding/decoding system includes a reflector array, a knob group, an infrared emission unit, an infrared receiving unit and a coding/decoding unit. The reflector array includes at least one mirror mounted rotatably in the electronic device. The knob group is configured for adjusting angles of the reflector array. The infrared receiving unit is configured for receiving infrared rays reflected by the reflector array and generating a password signal according to the received infrared rays. The coding/decoding unit is configured for receiving the password signal and converting the password signal into a password. The coding/decoding unit stores the password and locks the electronic device according to the password. To unlock the electronic device, the coding/decoding unit compares the password with a pre-stored password to determine whether to unlock the electronic device.

What is claimed is: 
     
       1. An electronic device comprising:
 an coding/decoding system; 
 an input unit configured for generating an coding request, a decoding request, and an infrared control signal; and 
 a processing unit configured for activating the coding/decoding system according to the coding/decoding request, and further configured for controlling the emission of the infrared rays of the coding/decoding system according to the infrared control signal; 
 the coding/decoding system comprising: 
 a reflector array comprising at least one minor rotatably mounted in the electronic device; 
 a knob group configured for adjusting rotation angles of the reflector array; 
 an infrared emission unit configured for emitting infrared rays to the reflector array, wherein when the processing unit receives the infrared control signal, the processing unit controls the infrared emission unit to emit the infrared rays; 
 an infrared receiving unit comprising an array of infrared receivers and configured for receiving the infrared rays reflected by the reflector array, wherein when one of the infrared receivers receives the infrared rays, the infrared receiving unit generates a password signal; and 
 an coding/decoding unit configured for receiving the password signal transmitted from the infrared receiving unit and converting the password signal into a password according to a pre-stored password table, wherein in the password table, each password signal corresponds to a password; the coding/decoding unit stores the password as a pre-stored password, and to unlock the electronic device, the coding/decoding unit compares the password with the pre-stored password to determine whether to unlock the electronic device. 
 
     
     
       2. The electronic device as claimed in  claim 1 , wherein the input unit comprises an coding button, a decoding button, and an infrared button; the coding button is configured for generating the coding request, decryption button is configured for generating the decoding request, and the infrared button is configured for generating the infrared control signal. 
     
     
       3. The electronic device as claimed in  claim 1 , wherein the input unit comprises a physical button and the processing unit determines whether a coding request, a decoding request, or an infrared control signal is generated according to the length of time of an input signal of the input unit. 
     
     
       4. The electronic device as claimed in  claim 1 , wherein the knob group comprises at least one knob, and each knob is configured to adjust rotation angles of one mirror of the reflector array. 
     
     
       5. The electronic device as claimed in  claim 1 , further comprising a storage unit, wherein the storage unit is configured for storing the password table. 
     
     
       6. The electronic device as claimed in  claim 1 , wherein the adjacent infrared receivers are spaced from each other. 
     
     
       7. The electronic device as claimed in  claim 4 , wherein each knob of the knob group includes a pointer and a dial thereon, the dial comprises identifiers, and each of the identifiers corresponding to a rotation angle of the reflector array. 
     
     
       8. An electronic device comprising:
 a reflector array comprising at least one minor rotatably mounted in the electronic device; 
 a knob group configured for adjusting rotation angles of the reflector array; 
 an infrared emission unit configured for emitting the infrared ray to the reflector array; 
 an infrared receiving unit comprising an array of infrared receivers and configured for receiving the infrared rays reflected by the reflector array, wherein when a infrared receiver of the array of infrared receivers receives the infrared rays, the infrared receiving unit generates a password signal corresponding to the infrared receiver; and 
 an coding/decoding unit configured for receiving the password signal and generating a password corresponding to the password signal; wherein the coding/decoding unit compares a present password with a pre-stored password to determine whether to unlock the electronic device; and 
 a processing unit configured for activating the infrared emission unit, and for controlling the emission of the infrared ray. 
 
     
     
       9. The electronic device as claimed in  claim 8 , further comprising an input unit, wherein the input unit comprises an coding button, a decoding button, and an infrared button; the coding button is configured for generating a coding request, decryption button is configured for generating a decoding request, and the infrared button is configured for generating an infrared control signal. 
     
     
       10. The electronic device as claimed in  claim 8 , further comprising an input unit, wherein the input unit comprises a physical button and the processing unit determines whether a coding request, a decoding request, or an infrared control signal is generated according to the length of time of an input signal of the input unit. 
     
     
       11. The electronic device as claimed in  claim 8 , wherein the knob group comprises at least one knob, and each knob is configured for adjusting rotation angles one mirror of the reflector array. 
     
     
       12. The electronic device as claimed in  claim 8 , further comprising a pre-stored password table, wherein in the password table, each password signal corresponds to a password. 
     
     
       13. The electronic device as claimed in  claim 8 , further comprising a storage unit, wherein the storage unit is configured for storing the password table. 
     
     
       14. The electronic device as claimed in  claim 8 , wherein the adjacent infrared receivers are spaced from each other. 
     
     
       15. The electronic device as claimed in  claim 8 , wherein each knob of the knob group includes a pointer and a dial thereon, the dial comprises identifiers, and each of the identifiers corresponding to a rotation angle of the reflector array.